110221001121 has 32 divisors (see below), whose sum is σ = 185003440128. Its totient is φ = 56701751040.

The previous prime is 110221001113. The next prime is 110221001147. The reversal of 110221001121 is 121100122011.

It is not a de Polignac number, because 110221001121 - 2³ = 110221001113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110221001097 and 110221001106.

It is not an unprimeable number, because it can be changed into a prime (110221001161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2292456 + ... + 2340041.

It is an arithmetic number, because the mean of its divisors is an integer number (5781357504).

Almost surely, 2^110221001121 is an apocalyptic number.

110221001121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110221001121 is a deficient number, since it is larger than the sum of its proper divisors (74782439007).

110221001121 is a wasteful number, since it uses less digits than its factorization.

110221001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4632621.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 110221001121 its reverse (121100122011), we get a palindrome (231321123132).

The spelling of 110221001121 in words is "one hundred ten billion, two hundred twenty-one million, one thousand, one hundred twenty-one".